Intel BIOS raid is being shifted from dmraid to mdraid because mdraid offers
more features. So if an imsm metadata capable mdadm is present use mdraid
instead of dmraid for isw_raid_member's
This patch also adds code to mdraid_start.sh so that the raidsets
inside the imsm containers get started once udev is done probing
(doing this earlier leads to potentially degraded use of the sets and
an unwanted resync).
---
modules.d/90dmraid/61-dmraid-imsm.rules | 15 +++++++++++++++
modules.d/90dmraid/install | 6 +++++-
modules.d/90mdraid/65-md-incremental-imsm.rules | 10 ++++++++++
modules.d/90mdraid/install | 8 ++++++--
modules.d/90mdraid/mdraid_start.sh | 11 ++++++++++-
5 files changed, 46 insertions(+), 4 deletions(-)
create mode 100644 modules.d/90dmraid/61-dmraid-imsm.rules
create mode 100644 modules.d/90mdraid/65-md-incremental-imsm.rules
diff --git a/modules.d/90dmraid/61-dmraid-imsm.rules b/modules.d/90dmraid/61-dmraid-imsm.rules
new file mode 100644
index 0000000..e06ea3f
--- /dev/null
+++ b/modules.d/90dmraid/61-dmraid-imsm.rules
@@ -0,0 +1,15 @@
+# This file causes block devices with Linux RAID (mdadm) signatures to
+# automatically cause mdadm to be run.
+# See udev(8) for syntax
+
+SUBSYSTEM!="block", GOTO="dm_end"
+ACTION!="add|change", GOTO="dm_end"
+
+ENV{ID_FS_TYPE}=="linux_raid_member", GOTO="dm_end"
+ENV{ID_FS_TYPE}=="isw_raid_member", GOTO="dm_end"
+
+ENV{ID_FS_TYPE}=="*_raid_member", \
+ TEST!="/tmp/.dmraid_scan-%k", \
+ RUN+="/bin/sh -c '>/tmp/.dmraid_scan-%k; /bin/ln -fs /sbin/dmraid_scan /initqueue/dmraid_scan.sh'"
+
+LABEL="dm_end"
diff --git a/modules.d/90dmraid/install b/modules.d/90dmraid/install
index fadaf0f..d8aca57 100755
--- a/modules.d/90dmraid/install
+++ b/modules.d/90dmraid/install
@@ -2,4 +2,8 @@
dracut_install dmraid
inst "$moddir/dmraid.sh" /sbin/dmraid_scan
inst_rules 64-md-raid.rules
-inst_rules "$moddir/61-dmraid.rules"
+if [ ! -x /lib/udev/vol_id ] && mdadm -Q -e imsm /dev/null &> /dev/null; then
+ inst_rules "$moddir/61-dmraid-imsm.rules"
+else
+ inst_rules "$moddir/61-dmraid.rules"
+fi
diff --git a/modules.d/90mdraid/65-md-incremental-imsm.rules b/modules.d/90mdraid/65-md-incremental-imsm.rules
new file mode 100644
index 0000000..7dcdf33
--- /dev/null
+++ b/modules.d/90mdraid/65-md-incremental-imsm.rules
@@ -0,0 +1,10 @@
+# This file causes block devices with Linux RAID (mdadm) signatures to
+# automatically cause mdadm to be run.
+# See udev(8) for syntax
+
+SUBSYSTEM=="block", ACTION=="add", \
+ ENV{ID_FS_TYPE}=="linux_raid_member|isw_raid_member", \
+ TEST!="/tmp/.mdraid_start-%k", \
+ IMPORT{program}="/sbin/mdadm --examine --export $tempnode", \
+ RUN+="/sbin/mdadm -I --no-degraded $env{DEVNAME}", \
+ RUN+="/bin/sh -c '>/tmp/.mdraid_start-%k; /bin/ln -s /sbin/mdraid_start /initqueue/mdraid_start.sh'"
diff --git a/modules.d/90mdraid/install b/modules.d/90mdraid/install
index eef6567..0391957 100755
--- a/modules.d/90mdraid/install
+++ b/modules.d/90mdraid/install
@@ -12,7 +12,11 @@ instmods =drivers/md
if [ -x /lib/udev/vol_id ]; then
inst_rules "$moddir/61-mdadm.rules"
else
- inst_rules "$moddir/65-md-incremental.rules"
+ if mdadm -Q -e imsm /dev/null &> /dev/null; then
+ inst_rules "$moddir/65-md-incremental-imsm.rules"
+ else
+ inst_rules "$moddir/65-md-incremental.rules"
+ fi
inst_rules 64-md-raid.rules
fi
@@ -24,4 +28,4 @@ if [ -x /sbin/mdmon ] ; then
fi
inst "$moddir/mdraid_start.sh" /sbin/mdraid_start
-
+inst grep
diff --git a/modules.d/90mdraid/mdraid_start.sh b/modules.d/90mdraid/mdraid_start.sh
index 3475b7e..7293ded 100755
--- a/modules.d/90mdraid/mdraid_start.sh
+++ b/modules.d/90mdraid/mdraid_start.sh
@@ -4,5 +4,14 @@ if $UDEV_QUEUE_EMPTY >/dev/null 2>&1; then
[ -h "$job" ] && rm -f "$job"
# run mdadm if udev has settled
mdadm -IRs
+ # and activate any containers
+ for md in /dev/md?*; do
+ case $md in
+ /dev/md*p*) ;;
+ *)
+ if mdadm --export --detail $md | grep -q container; then
+ mdadm -IR $md
+ fi
+ esac
+ done
fi
-
--
1.6.2.2
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